Home / 127,065.03-175,347.07-70,476.40

Finding the Fourth Proportional to 127,065.03, 175,347.07 and 70,476.40

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Solution

The fourth proportional to 127,065.03, 175,347.07 and 70,476.40 is: 97,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.03 : 175,347.07 = 70,476.40 : x
  2. Step 2: Convert to fraction form
    127,065.03/175,347.07 = 70,476.40/x
  3. Step 3: Cross multiply
    127,065.03x = 175,347.07 × 70,476.40
  4. Step 4: Simplify right side
    127,065.03x = 12,357,830,244.15
  5. Step 5: Solve for x
    x = 12,357,830,244.15/127,065.03
  6. Step 6: Final answer
    x = 97,255.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.